December weather forecast
Merriweather, MI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Merriweather, Michigan, with temperature in the range of an average high of 24.8°F (-4°C) and an average low of 16.5°F (-8.6°C).

Temperature

During the transition into December, Merriweather observes a decrease in the average high-temperature, falling from a wintry 36.5°F (2.5°C) in November to a freezing cold 24.8°F (-4°C). In Merriweather, the month of December brings a consistent average low-temperature of 16.5°F (-8.6°C), slightly cooler than its daytime highs.

Humidity

The average relative humidity in December in Merriweather, Michigan, is 89%.

Rainfall

In Merriweather, Michigan, in December, it is raining for 3.2 days, with typically 1.61" (41mm) of accumulated precipitation. In Merriweather, Michigan, during the entire year, the rain falls for 112.5 days and collects up to 22.68" (576mm) of precipitation.

Snowfall

Months with snowfall in Merriweather are January through May, October through December. December is the month with the most snowfall. Snow falls for 21.5 days and accumulates 10.63" (270mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December in Merriweather, sunrise is at 8:22 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 5:21 pm EST.

Sunshine

In December, the average sunshine in Merriweather is 1.7h.

UV index

The months with the lowest UV index in Merriweather are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is it in Merriweather in December?

In December, the average high-temperature and low-temperature in Merriweather are 24.8°F (-4°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in December in Merriweather?

The average relative humidity in December in Merriweather is 89%.

How much does it rain in Merriweather in December?

In December, the rain falls for 3.2 days. Throughout December, 1.61" (41mm) of precipitation is accumulated.

What is the snowiest month in Merriweather?

December is the month with the most snowfall in Merriweather, Michigan. Snow falls for 21.5 days and accumulates 10.63" (270mm) of snow.

How many days does it snow in December in Merriweather?

In Merriweather, in December, snow falls for 21.5 days, with typically accumulated 10.63" (270mm) of snow.

What is the month with the shortest days in Merriweather?

The month with the shortest days in Merriweather is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Merriweather have in December?

The average day length in December in Merriweather, Michigan, is 8h and 38min.

When are sunrise and sunset in December in Merriweather?

On the first day of December in Merriweather, sunrise is at 8:22 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 5:21 pm EST.

How long on average sun shines in December in Merriweather?

In Merriweather, Michigan, the average sunshine duration in December is 1.7h.

What are the months with the lowest UV index in Merriweather?

The months with the lowest UV index in Merriweather are January through March, November and December, with an average maximum UV index of 1.

What is the UV index reading in December in Merriweather?

In Merriweather, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Merriweather, MI

Average temperature in December - Merriweather, MI
  • Average high temperature in December: 24.8°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in December: 16.5°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure in December
Merriweather, MI

Average pressure in December - Merriweather, MI
  • Average pressure in December: 30.06"Hg

The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Merriweather, MI

Average wind speed in December - Merriweather, MI
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.1mph).

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Average humidity in December
Merriweather, MI

Average humidity in December - Merriweather, MI
  • Average humidity in December: 89%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in December
Merriweather, MI

Average rainfall in December - Merriweather, MI
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in December
Merriweather, MI

Average rainfall days in December - Merriweather, MI
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is August (14.4 days).
The month with the least rainy days is February (1.5 days).

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Average snowfall in December
Merriweather, MI

Average snowfall in December - Merriweather, MI
  • Average snowfall in December: 10.63"

The month with the highest snowfall is December (10.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Merriweather, MI

Average snowfall days in December - Merriweather, MI
  • Average snowfall days in December: 21.5 days

The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Merriweather, MI

Average daylight in December / Average sunshine in December - Merriweather, MI
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 1h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).

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Average sunshine days in December
Merriweather, MI

Average sunshine days in December - Merriweather, MI
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (7.4 days).

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Average UV index in December
Merriweather, MI

Average UV index in December - Merriweather, MI
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in December
Merriweather, MI

Average cloud cover in December - Merriweather, MI
  • Average cloud cover in December: 82

The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in December
Merriweather, MI

Average visibility in December - Merriweather, MI
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).

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Merriweather, Michigan, USA

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